Lenses:1.56 index Aspherical Lens
Strength: 100 to 300 by Increments of 50
Features:Progressive Varifocals lenses,UV protection
Frame Material: Metal
Lens Material: Photochromic lens
Size:
Lens Width:49mm / 1.93''
Lens Height:43mm / 1.62''
Bridge:19mm / 0.75''
Frame Width:136mm / 5.35''
Temple Length:136mm / 5.35''
Package:1 Progressive reading glasses.